Agent Stack Directory

Compare code sandboxes

Modal vs Runloop

Two code sandboxes tools for AI agents, side by side. Facts come from each tool's own site.

Modal

modal.com

Serverless cloud for running, training, and serving AI workloads, including sandboxes.

New
Visit Modal

Runloop

runloop.ai

Code sandboxes (Devboxes) for AI coding agents, plus evaluations.

New
Visit Runloop
Modal compared with Runloop
ModalRunloop
What it doesServerless cloud for running, training, and serving AI workloads, including sandboxes.Code sandboxes (Devboxes) for AI coding agents, plus evaluations.
In their wordsModal: The platform for production AIRunloop - Your AI Agent Accelerator
Open sourceNoNo
Websitemodal.comrunloop.ai
Link checked2026-10-162026-10-16

More options:Alternatives to ModalAlternatives to RunloopGuide: Best code sandboxes for AI agents

Keep comparing

Related comparisons

See all code sandboxes tools

The weekly drop

New agent tools, every Friday. One short email with what was added and what changed. No spam.

One email a week. Your address is only used for this newsletter.